Microsoft Outlook For Mac 2016 To Many Services Erro

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Symptoms

Services

Download Microsoft Support and Recovery Assistant for Office 365 In the tool, run the Outlook Diagnostic under the Advanced Diagnostics section to determine the cause of the performance issue. One of my users has exactly the same issue and it happens once or twice a day. When Outlook is restarted it is resolved usually. Notes: She is using one of the most recent versions of Outlook for Mac 2016 (16.9 or higher) She is running macOS Sierra 10.12.6; She is thus far the only person in our organization experiencing this.

In Microsoft Outlook 2016 for Mac, when you click Categorize and then click Edit Categories, you receive the following error message:

Microsoft Outlook For Mac 2016 To Many Services Error

Outlook can’t reach the server to get the categories.
Please check your network connection and try again.

Ps remote play macbook air.


You verify that Outlook is communicating successfully with the server. For example, you do this by sending and receiving email. However, you continue to receive this error.

Cause

This issue occurs when the Master Category List (MCL) is corrupted. The MCL is stored in a hidden item in the mailbox on the Exchange server.

2016

Resolution

To fix this issue, reset the corrupted MCL. To do this, follow these steps:
Note Following these steps may reset your categories to their default values. Therefore, you may lose your custom categories. Because of this, we recommend that you document the categories for later reference so that you can re-create them.

Step 1: Document the current categories

  1. Click Categorize , click Edit Categories, and then click OK when you receive the error message. You will now be able to view the categories.

  2. Take a screen shot of the categories by pressing Command+Shift+3 on the keyboard. The screen shot will be saved on the desktop.


Step 2: Reset the corrupted Master Category List

  1. Sign in to Outlook Web App.

  2. Right-click any email message, click Categorize, and then click Manage categories.

  3. Change the color of any category by clicking the arrow to the left of the color block, and then click a different color.

  4. Click OK.

  5. Change the category color that you changed in step 3 back to the original color by following steps 2 through 4 again.
    Note When you manage the categories again, you may notice that custom categories are missing from the Category List.

Step 3: Restore missing custom categories

  1. Click Categorize , and then click Edit Categories.

  2. Click the plus sign (+).

  3. Enter the exact name of missing custom category, and reference the screen shot that you took in step 1b.

  4. Click the color block, and then select the color for this category.

  5. Click Add.

  6. Repeat steps 2 through 4 until you have all the missing categories added.


Microsoft Outlook For Mac 2016 To Many Services Errors

More Information

Any items in your mailbox that had custom categories assigned still have the category names assigned. When you add them to the MCL and assign a color to them by following these steps, the items will also display the color.